In this scenario, the human body is __________
a. a macrohabitat
b. made up of many life zones
c. a microhabitat
d. a niche
B
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Which of the following statements is true regarding subduction?
A. It adds new crust to Earth's surface via volcanic activity. B. It is unrelated to Earth's plate tectonics. C. It permanently removes carbon from Earth's surface. D. It permanently adds carbon to Earth's atmosphere. E. The carbon it removes is eventually returned to the atmosphere by volcanism.
Which of the following is NOT a concept or term related to the flow of energy through living systems?
a. cellular respiration b. consumers c. decomposers d. photosynthesis e. sexual reproduction
_____ is a cancer of the bone marrow.
Fill in the blank(s) with the appropriate word(s).
A test tube is inoculated with 1 × 103 cells of a bacterial strain that has a generation time of 30 minutes. The carrying capacity of the test tube for this strain is 6 × 109 cells. What will the bacterial population be after 90 minutes of culturing?
A) 3 × 103 B) 8 × 103 C) 1 × 109 D) 6 × 109